Research Article
Synthesis and Characterization of Mechanical Properties of AA8014 + Si3N4/ ZrO2 Hybrid Composites by Stir Casting Process
Table 6
Analysis of variance for wear test.
| | Source | Df | Seq SS | Contribution (%) | Adj SS | Adj MS | F-value | P-value |
| | Regression | 4 | 0.081146 | 15.86 | 0.081146 | 0.020286 | 1.04 | 0.411 | | % of reinforcement | 1 | 0.036091 | 7.06 | 0.036091 | 0.036091 | 1.84 | 0.188 | | Stir speed (rpm) | 1 | 0.012641 | 2.47 | 0.012641 | 0.012641 | 0.65 | 0.430 | | Stir time (min) | 1 | 0.025840 | 5.05 | 0.025840 | 0.025840 | 1.32 | 0.263 | | Molten temperature (oC) | 1 | 0.006574 | 1.29 | 0.006574 | 0.006574 | 0.34 | 0.568 |
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Wear (mm3/m) = 0.595 − 0.0224% of reinforcement + 0.000265 stir speed (rpm) − 0.00758 stir time (min) − 0.000191 molten temperature (oC).
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